165653633350 has 12 divisors (see below), whose sum is σ = 308115758124. Its totient is φ = 66261453320.

The previous prime is 165653633347. The next prime is 165653633357. The reversal of 165653633350 is 53336356561.

165653633350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165653633350² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165653633350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165653633357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1656536284 + ... + 1656536383.

It is an arithmetic number, because the mean of its divisors is an integer number (25676313177).

Almost surely, 2^165653633350 is an apocalyptic number.

165653633350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165653633350 is a deficient number, since it is larger than the sum of its proper divisors (142462124774).

165653633350 is a wasteful number, since it uses less digits than its factorization.

165653633350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313072679 (or 3313072674 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 46.

The spelling of 165653633350 in words is "one hundred sixty-five billion, six hundred fifty-three million, six hundred thirty-three thousand, three hundred fifty".